HomeMy WebLinkAboutM501 CONTROLS.pdfHEATING WATER SUPPLY TEMPERATURE SETPOINT SHALL BE RESET FROM140°F @ 30°F OSA TO 100°F @ 60°F OSA. PROVIDE AN OUTDOOR AIR SENSORLOCATED ON THE NORTH EXPOSURE. CONTROL SHALL ABANDON THE ABOVEOSA RESET CURVE DURING DEMAND FOR DHW PRODUCTION TO PROVIDE 180°FHWS SETPOINT.HWS SETPOINT SHALL BE MAINTAINED BY MODULATING AND STAGING ONBOILERS IN SEQUENCE. BOILER CONTROL VALVE SHALL BE OPEN ANDASSOCIATED BOILER CIRC PUMP SHALL BE ENABLED WHEN ASSOCIATED BOILERIS ENABLED AND CLOSED/OFF WHEN ASSOCIATED BOILER IS DISABLED. ALLBOILERS SHALL OPERATE VIA FACTORY MOUNTED CONTROLS TO PROVIDE HWSSETPOINT.UPON A CALL FOR HEAT FROM ANY SPACE LOAD, THE LOAD'S ASSOCIATEDHEATING WATER CIRCULATION PUMP(S) SHALL RUN. THE PUMPS SHALL STOPWHEN A CALL FOR HEAT IS NO LONGER PRESENT.BOILER INTERNAL CONTROLS SHALL BE INTERLOCKED WITH ASSOCIATEDBOILER CIRCULATING PUMP. WHEN BOILER IS ENABLED DUE TO CALL FOR HEATFROM SPACE LOAD, CIRCULATING PUMP SHALL START. CONVERSELY, WHENBOILER IS DISABLED, CIRCULATING PUMP SHALL STOP.UPON A CALL FOR HEAT FROM A TANK MOUNTED AQUASTAT SET AT 120°F(ADJ.)ON THE DOMESTIC HOT WATER STORAGE TANK, THE DHW INJECTION PUMP P-7AND ASSOCIATED BOILER SHALL RUN AND BOILER CIRCULATING PUMP SHALL BEDISABLED. DOMESTIC INJECTION PUMP AND BOILER SHALL STOP AND BOILERCIRCULATION PUMP SHALL RESUME NORMAL OPERATION WHEN A CALL FORHEAT IS NO LONGER PRESENT.PROVIDE BOILER SHUTDOWN SWITCH LOCATED AT BOILER ROOM EXIT DOORS.SHUTDOWN SYSTEM SHALL COMPLY WITH ASME-CDS-1. DIVISION 23CONTRACTOR SHALL PROVIDE THE SWITCH AND ALL REQUIRED CONTROLWIRING. ALL WIRING SHALL BE IN CONDUIT. A CLEAR POLYCARBONATE HINGEDCOVER SHALL BE PROVIDED TO PREVENT ACCIDENTAL OPERATION OF SWITCH.SWITCH SHALL HAVE ENGRAVED NAMEPLATES TO IDENTITY SWITCH AS "BOILEREMERGENCY SHUTDOWN". DIVISION 23 CONTROLS CONTRACTOR SHALLCOORDINATE WITH DIVISION 26 FOR SAFE SHUTDOWN OF BOILERS.UPON A CALL FOR FIRST STAGE HEAT FROM A ROOM SPACE TEMPERATURESENSOR SET AT 68°F (ADJ.), TELESTAT(S) OR CONTROL VALVES IN ASSOCIATEDRADIANT FLOOR MANIFOLD SHALL OPEN TO ALLOW WATER TO FLOW THROUGHTHE RESPECTIVE ZONE. TELESTATS AND CONTROL VALVES SHALL BE CLOSEDWHEN A CALL FOR HEAT IS NO LONGER PRESENT. FOR A RADIANT ZONE WITHINA FORCED AIR ZONE, RADIANT FLOOR HEATING SHALL BE LOCKED OUT WHEN AZONE IS IN COOLING MODE. FOR A RADIANT ZONE WITH WOOD FLOORING, ANIN-FLOOR TEMPERATURE SENSOR IN EACH ZONE SHALL CLOSE THE CONTROLVALVE WHEN WOOD FLOORING TEMPERATURE EXCEEDS 80°F (ADJ).UPON A CALL FROM AN IN-SLAB TEMPERATURE/MOISTURE SENSOR (TEKMAR 090OR EQUIVALENT), SNOWMELT CIRCULATION ZONE PUMP SHALL RUN ANDSNOWMELT INJECTION PUMP SHALL CYCLE TO MAINTAIN A SNOWMELT SUPPLYTEMPERATURE OF 120°F (ADJ.). PUMPS SHALL BE OFF WHEN A CALL FOR HEAT ISNO LONGER PRESENT.BOBIAOBOAIBITEBOBIAOBOBIBOBIAOBOBIBOBIAIAIAIBOBIBOBIP-1P-1SSP-1SP-8TO WATER HEATER.TO FAN COIL UNITS &RADIANT ZONESTEP-4P-4CPCPCPTETEBOBIP-8TO WATER HEATER.AIR VENTS AT ALLHIGH POINTS, TYP.ROUTE INDIRECTLY TO CONDENSATE NEUTRALIZER AND ROUTEOUTLET DRAIN LINE FROM CONDENSATE NEUTRALIZER TOMECHANICAL ROOM FLOOR DRAIN, TYP. 4.DOWNWARD GAS FLOWDIRECTION INTO DIRTLEGTEE, TYP.2"G TO BOILER, TYP.AIR SEPARATOR,SPIROVENT.EXPANSIONTANK, TACOCA-215.TO GLYCOL FEEDER.TO SNOWMELT HEATEXCHANGERP-12BOBIGGG2"2"2"2"2"2"2"2"2"2"2"2"2"2"3"3"SCALE:BOILER SYSTEM PIPING DIAGRAM AND CONTROL SCHEMATICNO SCALETO SPA HEAT EXCHANGERBOBI1. COALESCING TYPE AIR SEPARATOR WITH WITHAUTOMATIC RELIEF FLOAT. 1 PIPE AND SMALLER:SPIROTHERM SPIROVENT JR, B&G EASB JR, ORTACO VORTEC. 2" PIPE AND LARGER: SPIROTHERMSPIROVENT SR, B&G CRS, OR TACO 4900 OREQUIVALENT.2. EXTEND DRAIN TO NEAREST FLOOR SINK FOR INDIRECT CONNECTION. DO NOT COMBINE DRAINWITH OTHERS.3. EXTEND ALL SAFETY RELIEF VALVES TO DRAIN PERVALVE MFG's RECOMMENDATIONS WITHOUT PIPEBELLIES OR UPWARD SLOPE. DO NOT COMBINE WITHOTHERS.4. INDICATES UNION OR FLANGE CONNECTION FORSERVICE PURPOSES. DIELECTRIC UNIONS NOTPERMITTED EXCEPT AT DOMESTIC WATERCONNECTIONS TO WATER HEATERS. PROVIDEDIELECTRIC NIPPLES OR FLANGES AT FERROUS TONON-FERROUS PIPING MATERIAL TRANSITIONS. 5. THREE-WAY VALVE WITH PORTS IDENTIFIED:C = COMMONNC = NORMALLY CLOSEDNO = NORMALLY OPEN6. DIAGRAM IS SCHEMATIC IN NATURE. NOT ALLAPPURTENANCES REQ'D ARE NECESSARILY SHOWN.PROVIDE SYSTEM ACCESS, VALVING, AND DRAINAGEAS REQ'D FOR PROPER SYSTEM MAINTENANCE ANDPURGE/FILL PROCEDURES.7. PROVIDE MANUAL AIR VENT AT ALL HIGH POINTS ANDMANUAL DRAIN VALVES AT ALL LOW POINTS. PIPEDRAIN VALVES TO A SUITABLE LOCATION WHENDRAINS ARE IN A LOCATION IN WHICH THEIRDRAINAGE WILL BE A NUISANCE OR CAUSE DAMAGE.8. PROVIDE 4" HIGH CONCRETE SHOP KEEPING PAD INADDITION TO MFG's BASE FOR ALL FLOOR MOUNTEDEQUIPMENT. COORDINATE EXACT PAD SIZES ANDLOCATIONS WITH PIPING SHOP DRAWINGS ANDCONCRETE CONTRACTOR.9. ALL ISOLATION VALVES SHALL BE FULL PORT VALVESEQUIVALENT TO PIPE SIZE SHOWN.10. ROUTE COMBUSTION EQUIPMENT CONDENSATEDRAIN LINES AND INDIRECT CONNECT TOCONDENSATE NEUTRALIZATION BASIN SIZED PERCOMBUSTION EQUIPMENT MFG's RECOMMENDATIONS.INDIRECT CONNECT BASIN OUTLET TO NEARESTWASTE RECEPTOR.11. REFER TO CONTROLS DRAWINGS FOR ADDITIONALDEVICE REQUIREMENTS SUCH AS PRESSURE ANDTEMPERATURE PICKUP LOCATIONS.12. PROVIDE DOWNWARD GAS FLOW INTOSEDIMENT/DRIP LEG TEES.PLANT PIPING NOTES:182 WEST MEADOW DRIVEVAIL, CO 81657PIETRINI RESIDENCEProject Number - 142807/30/14DESIGN REVIEWCOPYRIGHT 2014BANZEGEAUDIN(970) 949-6108(303) 278-3820(970) 221-5691(505) 323-9070(307) 739-3944Vail:Denver:Fort Collins:Albuquerque:Jackson:www.bgce.com09/05/14PERMIT SETM5.01MECHANICALCONTROLS